Fifteen

Developed by Pedro Izecksohn.

1 2 4 7
5 3 A 8
D 6 F _
E 9 C B

Fifteen

1 2 4 7 5 3 A 8 D 6 F _ E 9 C B

1 2 4 7
5 3 A 8
D 6 F _
E 9 C B